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2021-11-03 22:01:46 +01:00
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School/Analyse/Layers/1. Physical Layer.md
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@@ -37,12 +37,20 @@ This can be done in 3 different ways.
![[modulation-amplitude.png]]
Amplitude or the strength (height) of a wave changes over time.
We can change how much the amplitude is changing in a specific moment in time.
### Frequency
![[modulation-frequency.png]]
Frequency can be changed
Frequency is the amount of waves that pass a fixed point in a given amount of time.
### Phase
![[modulation-phase.png]]
Phase specifies the location or timing of a point within a wave cycle of a repetitive waveform.
![[modulation-phase-2.png]]
## Analog data
### Phase
## Digital data